MDSE 2650 Exam II
_____ is more absorbent than any other _____. - ANS-Rayon, fiber
______ is the most commonly used residential carpet fiber.
a) nylon
b) acrylic
c) wool
d) olefin
e) polyester - ANS-a) nylon
1. dissolve fiber-forming substance in a solvent
2. filter fluid
3. extrude fluid through spinneret
4. solidify fiber by evaporating solvent using warm air
5. stretch/draw partially solidified fiber - ANS-Dry Spinning
1. melt polymer chips/pellets
2. filter fluid
3. extrude fluid through spinneret
4. solidify fiber by cooling
5. stretch/draw the partially cooked fiber - ANS-Melt Spinning
1. react raw material
2. filter soluble derivative
3. extrude soluble derivative
4. solidify fiber in chemical bath
5. stretch/draw partially solidified fiber - ANS-Wet Spinning
A blend with an even distribution of the blended fibers - ANS-Intimate Blend
A common measurement in most countries. The mass is measured in grams of 1,000 meters of
yarn. - ANS-Tex
A common measurement in the U.S. The mass is measured in grams of 9,000 meters of yarn. -
ANS-Denier
A filament yarn characterized by thick and thin places made by varying the twist at regular
intervals. - ANS-Thick-and-Thin Yarn
, A generic term for a continuous strand of textile fibers, filaments, or material in a form suitable
for knitting, weaving, or otherwise intertwining to form a textile fabric - ANS-Yarn
A manufactured fiber made of metal, plastic-coated metal, metal-coated plastic, or a core
completely covered by metal that melts easily. Can conduct a static charge. - ANS-Metallic
Fibers
A measurement often used to measure twist in yarns. - ANS-Twist Per Inch
A plied yarn containing two or more yarns that vary in fiber composition, content, and/or twist
level; or a plied yarn composed of both filament yarn and spun yarn - ANS-Combination Yarn
A relative measure of the fineness of yarns - ANS-Yarn Number
A staple yarn characterized by thick and thin places made by varying the twist at regular
intervals. - ANS-Slub Yarn
A system that measures yarn number that is equal to the linear density, or the mass per unit
length of yarn. Used for silk and manufactured filament yarns. Measured in denier. - ANS-Direct
Yarn Number
A system that measures yarn number that is equal to the reciprocal of linear density, or the
length per unit mass of yarn. Used for cotton, linen, and wool-type spun yarns. - ANS-Indirect
Yarn Number
A texturing method that creates bulk and does not require thermoplastic fibers - ANS-Air Jet
A texturing method where thermoplastic fibers are given stretch and bulk - ANS-False-Twist
A type of composite yarn made by twisting staple fibers around a filament or a previously spun
yarn, thus concealing the core. - ANS-Core-Spun Yarns
A type of composite yarn made by wrapping a spun or filament yarn around a core of bundled
fibers or another yarn - ANS-Covered Yarns
A yarn obtained when two or more staple fibers are combined in a textile process for producing
spun yarns - ANS-Blend
Added to make manufactured fibers dull; Titanium Dioxide - ANS-Delusterant
An elastomeric fiber that is also a sub-class of olefin. It is expensive but dyes better
and is more chemically resistant than spandex. - ANS-Lastol
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